Answer:
The researcher conducted experiments by using the scientific method.
Explanation:
It makes a little sense considering that the question did not elaborate further.
It was D desire for money. As it says “caprice of a well-fed man; on the lawyer’s pure greed of gold.” This shows he was out for money.
If its an analogy, Its easier to do it in a sentence.
A prodigy had a lot of talent.
The answer is, a Zealot has a lot of conviction.
( I had a question like that before that's how I know but I think its Zealot. )